monell



(No Model.) 2 Sheets Sheet 1. V

' I. F. MONELL. V

ORE SEPARATOR AND GONGENTRATOR.

Patented Dem-Z9 1885.

WITNESSES INXENTOR MM ail 7 ATTORNEYS.

N. PETERS. Phok Lilhognphen Wuhington. n. c.

(No Model.) 2 SheetsSheet 2. I. F. MONELL. ORE SEPARATOR AND GONGENTRATOR.

No. 333,322. Patented Dec. 29, 1885.

wnmzssns: [63% W ATTORNEYS.

N PETERS HMO-Lithographer. Wasnmglan. D. C.

UNITE STATES PATENT FFICE.

IRA F. MONELL, OF SUGAR LOAF, COLORADO.

ORE SEPARATOR AND CONCENTRATOR.

SPECIFICATION forming part of Letters Patent No. 333,322, dated December 29, 1885.

Application filed August 21, 1885. Serial No. 174,979. (No model.)

To aZZ whom it may concern.-

Be it known that I, IRA F. MONELL, of Sugar Loaf, in the county of Boulder and State'of Colorado, have invented new and usefullmprovements in Ore Separators and Concentrators, of which the following is a full, clear, and exact description.

This invention embodies in one and the same machine those ore-concentrators which operate in part by concussion and employ swinging tables, also those concentrators in which traveling belts are used to facilitate the separation and escape of the tailings.

A leading object of the invention is to get rid of the tailings as fast as they collect, and this my invention'very perfectly accomplishes.

The machine may either be used single or double, as desired.

Reference is to be had to the accompanying drawings, forming part of this specification, in which the same letters of reference indicate the same or corresponding parts in all the figures.

Figure 1 represents a side elevation of an oreconcentrator embodying my invention; Fig. 2, a transverse section of the same mainly on the line or m in Fig. 1; Fig. 3, a vertical longitudinal section on the line y y in Fig. 4, and Fig. 4 a horizontal section on the line 2 z in Fig. 3.

A indicates the lower frame, which may be of any suitable construction; B, the concussion-blocks; O, the table, and D the upper frame, from which the table is indirectly hung to swing by rods 7) b.

E is the bumper-bar, which is a part of the table, and which in the swinging of the table strikes the concussion-blocks B, and which has its concussive action or effect increased, to more effectually get rid of the tailings and effect the necessary cencentration, by a spring, 0, applied to the bar around astem at the rear -end of said bar, and bearing against a plate, d, made adjustable, as by screws 6 e, to vary the force of the spring as required.

The swinging table 0 is operated in a reverse direction, as against the tension of the spring 0, by a cam, F, carried by a cross-revolving shaft, f, and operating against a roller, 9, which is carried by a hanger, h, pivoted to the bumper-bar E at i and adjustable by a slot in the upper extremity of said hanger, and

screw or bolt is, to set the roller 9 closer to or farther from the operating cam F. This provides for varying the action of the cam on the roller as required to adapt it to different inclinations or grades of the table 0, that has its pendent rods [2 b pivoted at their upper ends to a frame,-G, which is hinged or pivoted at its one end, as at Z, to the upper stationary frame, D, and is adj ustable up or down at its opposite end by a screw, m, to vary the grade of the table.

The table 0 is constructed or provided along the center of its upper surface with a raised portion, n, on opposite sides of which and below the level of the raised portion are the intermittently-moving belts H H. These belts and the table may be made of any suitable material or materials, and any suitable tightening devices may be applied to the belts. The raised portion a of the table forms a guard, leaving depressions on either side for the belts, which will facilitate the washing of the sand from off the table and separation of the mineral from the sand, and the bumping action of the table will assist in compelling any mineral that may remain in the sand on the table to pass into the depressions. The ready clearance of the sand, as fast as it collects, by a stream of clear water introduced onto the table is important, as it gives the machine a chance. to make a better separation, and it will be found of special service in working ores having very little mineral in them, and

which have not enough of iron to make a bed" to save the more valuable mineral. My construction of the table, however, will answer for both fat and lean ores. At the forward end of the table, where the final separation of the mineral takes place, the belts are made to pass over a raised roller, a, which will serve to check the movement of the pulp from off the forward end of the table along with the mineral.

The belts H H are supported above the table by a series of small rollers, 0, so as to reduce friction and wear of the belt, and are arranged to pass around pulleys a b at the opposite ends of the table, and under and over lower pulleys, c d. The spindles of the pulleys b at the back end of the table carry ratchet-wheels c, by which, through pawls f, that engage with them, the belts are operated every time the table is swung backward to carry the IOO mineral to or over the forward end of the table, from whenceit is delivered into mineral-boxes I. Duplicate rollers g are arranged over the side margins of either belt on its upper surface, near its forward end,to keep the belt down to its place. These rollers g are supported in slotted brackets, ti provide for their adjustment up or down. This will be found useful wherevera vibration of the belts is needed at their heads to more thoroughly clean the mineral by the concussion vibrating the belts when the rollers g are raised, causing the sand to rise from the mineral and flow back with the clear water.

In the operation of the machine the ore is delivered from a battery down over any suitably-constructed spreading-board, J, onto a screen, K, arranged over a hopper, L. This screen will serve to detect any breakage in the usual screen of the battery, and will prevent coarse chunks, which are detrimental to concentration, from passing into the hopper L, and which may accordingly be'taken back to the battery. The interior of the hopper L is fitted with an inverted-V-shaped partition,h, leaving an opening beneath its sides, and vertical partitions t" t, )rojecting upward from the bottom of the hopper beneath the partition h, but not closing up against the latter. This construction forms opposite side chambers,lc 7c, and an intermediate chamber, Z. The ore passing through the screen K is run along with the water from the battery into the chambers lc'k'. I also introduce.by means of a pipe (not shown) leading from the tank I, a small stream of clear water along with the battery-water as it passes through the screen, to thin up the battery-water, which will cause the mineral suspended in the thick or muddy water to settle in the first compartment of the hopper. The coarser ore from the hopper will be passed by pipes m to the table 0 or belts H H, while the water from the battery and fine mineral will be passed from the chamber Z by pipes n to the table a little in advance or to one side of the coarse ore. This saves the fine mineral contained .in the water, and at the same time makes a partial separation of the sand from the mineral of the coarse ore. The pipes or deliver the coarse ore into V-shaped receptacles M M, having holes in their bottoms, the longitudinal convergent portions of which are arranged in planes lengthwise of the belts, over which they are arranged for the purpose of delivering the ore centrally upon the belts. The fine mineral and the water from the battery supplied by the pipes 11 will be delivered to the table through a V-shaped receptacle, N, arranged to extend crosswise of the belts, and having perforations in its bottom over the belts. This crosswise arrangement of the receptacle N will give the water a chance to wash the coarse sand back onto the belts.

O is the clear'Water-feeding receptacle, arranged across the forward end of the table, and made V-shaped and water-tight, excepting at its bottom, which is finely perforated, or has a series of fine apertures. This close receptacle 0 serves to supply clear water under pressure to the table by a pipe, 0, from a tank or receptacle, P, above. By thus supplying the water under pressure to the table a fine stream is furnished, which will cause the final clearing of the mineral or separation of the ore from the sand. The pipe 0 is bifurcated at its lower end, and fitted with valves 1', to regulate the pressure or supply of the water.

The tailings pass off from the back end of the table into a trough or box, R, for further concentration and separation or not, as desired, while the mineral, passed and shaken over the forward end of the table and belts, will be delivered into the mineral box or boxes I.

In specifying that the machine may either be used single or double, as desired, is meant ,either two belts with a single or double cam, a :single or double bumping-bar and concussionblocks, or one belt with two cams, two bumping ,bars and blocks, and two springs to said bars.

Having thus described my invention, what iI claim as new, and desire to secure by Letters iPatent, is v 1. The pendent swinging table 0, constructied with a raised central longitudinal portion, In, on its face, in combination with the intermittently-moving belts H H on either side of .said raised portion, essentially as described.

2. The combination. with the upper frame, D, of the pendent swinging table 0, the suspension-rods b b, and the frame G, hinged or pivoted at or near one end to said upper frame,

{and adjustable up or down at its opposite end,

substantially as described, for the purpose of changing the grade of the table, as herein set forth. I

3. The combination of the cam F, the swinging tableO, provided with the bumper-bar E, the adjustable frame G, from which said table is suspended, the adjustable hangers h, the rollers g, and the spring a, substantially as specified.

4. The hopper L, having partitions h i, and fitted with an upper screen, K, in combination with the pipes m n, perforated ore and water receptacles M N, the close clear-water receptacle 0, having perforations in its bottom for supplying water under pressure, the swinging table 0, and the belts H H, substantially as shown and described.

5. In combination with the table 0, the belts- H H, and the perforated ore and water receptacles M N, arranged, respectively, longi- IRA F. MONELL.

Witnesses:

N. H. THoMPsoN, E. F. PIERCE. 

